Made in the USA This product is made in the USA

The Thompson Model Sonic 350 SHD is an inline checkweigher for small bags up to 20 lb.

Conveyor sizes range from 12” long x 4” wide belt, up to 30” long x 18” wide belt.  All 304SS construction, seal-welded frames and supports for IP66 (4X) compliance.  Offered as 1, 2, or 3 conveyors on a common framework, integrated metering/pacing and variety of reject styles available.

Color touch screen scale controls hold 100 recipes in memory, user-set for 3 or 5 zone (low reject, low pass, good, high pass & high reject) outputs.  3-level password protection, audit trail for calibrations.

89 to 230VAC 50/60 Hz. Single Phase source power connection.  24VDC I/O.  Timed outputs for reject and alarms.  Integrated metal detectors offers minimal equipment foot print and seamless rejection operation with scale.

Ethernet TCP/IP, RS-232 and RS-422 built in.  Variety of data formats, connections for data logging and outputs to remote digital displays or HMI interfaces.  Optional Ethernet IP and Modbus interfaces are available.


  • up to 20 lb. capacity
  • 12” to 28” long conveyor
  • 4”to 18” conveyor widths
  • up to 220 FPM
  • adjust stand supports
  • 0, 3 or 5 weight zones
  • powder coated frame
  • programable controller
  • IP66 enclosure


  • rejection systems
  • rejection accumulation bins
  • alarm/light stack
  • multi-lanes
  • guide rails
  • stainless steel
  • environmental configurations


  • Air: NA
  • Electrical: 89/230 VAC, 1 Ph, 50/60 Hz


Coming soon.